10:06 AM EST - Rockwell Diamonds Inc. : Global investment company Pala Investments Holdings Ltd. is making an $85.7 million unsolicited cash offer to acquire Rockwell Diamonds Inc., a Vancouver company with operations in Africa. The 36 cent a share offer, valued at $85.7 million, represents a premium of about 84.6 percent over Monday's closing price of Rockwell common shares on the Toronto Stock Exchange. Rockwell Diamonds Inc.
